MeetingSDK 5.13.5(6488 )for iOS, meeting reconnection issue

When I was in a meeting, application did enter background then I got a phone call, the meeting has disconnected. I return to application, the meeting was not reconnected. Meetings are reconnected automatically in the previous version. How can I get the state to reconnect meeting.

Which iOS Meeting SDK version?
5.13.5(6488)

To Reproduce(If applicable)
Steps to reproduce the behavior:

  1. join a meeting
  2. application did enter background
  3. make a phone call
  4. the meeting disconnect
  5. return to application, the meeting was not reconnected
    6.onMeetingStateChange:(MobileRTCMeetingState)state return MobileRTCMeetingState_Disconnecting

Smartphone (please complete the following information):

  • Device: [iPhone 13]